Woodward 5501-380 MicroNet TMR Power Supply

The Woodward 5501-380 Power Supply is a key component of the 5009/MicroNet TMR system, designed to operate with 120 volts of alternating current (VAC) or direct current (VDC). It stands apart from its counterpart, the 5501-370 module, which operates at 24 VDC. This power supply provides reliable functionality for various industrial applications, ensuring system stability across different chassis configurations.

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Key Features

1. Dual Voltage Operation
   The 5501-380 supports both 120 VAC and VDC inputs, offering versatility in power supply setups. It includes a 10 A time-delay breaker rating for 120 VDC to enhance operational safety.
2. Compatibility with Chassis Systems
   • This power supply can function in multiple chassis systems connected to the same power source.
   • Not all components in the chassis require the full load capacity of the MicroNet TMR power supply.
3. Front-Faceplate Indicators
   • The OK LED (green) indicates normal operation.
   • Three red LEDs (Power Supply Fault, Overtemperature, Input Fault) provide quick error diagnostics:
     • Overtemperature LED: Signals potential thermal shutdown if the internal temperature exceeds 80°C. Shutdown occurs at 90°C, and operation resumes once the temperature falls below 75°C.
4. Power Connection and Load Management
   If the cabinet lacks a connection to the adjoining power system, terminal connections on the front of the power supply facilitate integration.

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Technical Specifications

Attribute	Details
Manufacturer	Woodward
Series	MicroNet Digital Control
Part Number	5501-380
Wire Size (100–150 VDC)	14 AWG / 2.5 mm²
Breaker Rating (VAC)	20 A
Maximum Power (VAC)	1150 VA
Maximum Power (VDC)	576 W
Maximum Fuse/Breaker Rating	10 A
Input Voltage	120 VAC/VDC
Holdup Time	7 ms at 120 VDC
Chassis	MicroNet TMR

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Usage Notes

• Error Handling: If any of the red LEDs light up, take immediate action to diagnose and resolve the issue. Overtemperature alerts, for example, should prompt system cooling checks.
• Power Source Connections: Ensure that power connections align with terminal requirements for safe and effective operation.
• Manual Reference: For detailed installation and operational guidance, consult page 39 of the 26167V1 manual.

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Applications

The Woodward 5501-380 Power Supply is ideal for industrial control systems requiring stable power in 120 VAC/VDC environments. It is particularly suited for use in MicroNet TMR configurations, where reliability and fault tolerance are critical.

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